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Knowledge Cats Dirty Minds
Boats Zombies Food

Knowledge

Facts, science and history of optical illusions.
See all the articles or scroll down to see what you came for.

Bezold effect fabric

Bezold Effect

How to create optical illusion photos (for social media)

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Parquet Floor

parquet floor or dangerous stairs?

Source: DurkleR

This is not a wall-to-blue-wall parquet floor, but actually a very badly designed set of stairs.
Look on the sides and see the notches of the steps.

More optical illusions:

One-Punch Cat
Laurel the Tree
Reflective bird
Escher drawing IRL
A Lego bed
Swamp monster
110 pound squirrel
Pup Patrol
  • Pareidolia
  • Physical illusions
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Stairs up or down?

Up or Down?

Cats

painting of the ocean

Painting of the Ocean

Clouds